Edelbrock Performer RPM Marine Q-Jet Intake Manifold for 396-502 Big-Block Chevrolet w/Oval Port Heads. All Cooling Water Passages are Lined with Brass to Prevent Corrosion. Accepts Q-jet or 4150-Style Square-Bore Marine Carburetor. Non-EGR
Edelbrock part #2561 Performer RPM Q-Jet marine intake manifold is designed for spread-bore carbs but also works with Edelbrock square-bore carbs without adapter on street 396-502 c.i.d. Chevy V8's with large oval-port (1975 and earlier) heads. This marine intake features brass lined water passage and brass flange inserts to cover rear water openings. No provisions for hot air style chokes. Accepts divorced choke, late-model waterneck, air-conditioning, alternator and HEI equipment.
  • Cast Aluminum
  • Broad Powerband

Application Summary:

Year Make/Model
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L)

Additional Information:

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